Finding the Fourth Proportional to 2,767.38, 4,147.83 and 1,381.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.38 : 4,147.83 = 1,381.68 : x
2. Step 2: Convert to fraction form
   2,767.38/4,147.83 = 1,381.68/x
3. Step 3: Cross multiply
   2,767.38x = 4,147.83 × 1,381.68
4. Step 4: Simplify right side
   2,767.38x = 5,730,973.75
5. Step 5: Solve for x
   x = 5,730,973.75/2,767.38
6. Step 6: Final answer
   x = 2,070.90